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This takes care of the problem of making unnecessary trips to the server, but it requires another language to learn and manage.Java Script is a great language, but takes a lot of time to master, and there are always problems getting your Java Script code to work on different browsers.

No, we still do not have the capability to find out whether a statement is true.This paper introduces these new controls and discusses tips and tricks on working with them in practical scenarios.(34 printed pages) Introduction Looking at Validation The Required Field Validator Control The Compare Validator Control The Range Validator Control The Regular Expression Validator Control The Custom Validator Control The Validation Summary Control Conclusion In your studies of ASP.By Bill Evjen Reuters December 2003 Applies to: Microsoft® ASP. NET validation server controls that are at your disposal. NET Summary: Learn how to use all the available ASP.Listing 1 shows you an example of using client-side Java Script to perform form validation.Listing 1: Client-side Java Script for form validation This sample piece of Java Script does some validation, but it doesn't check for all the in-formation that you might need on the form you are building.Data collection on the Internet is one of its most important features, so you must make sure that the data you collect has value and meaning.You ensure this by eliminating any chance that the information collected does not abide by the rules you outline. NET don't know the difference between client-side and server-side validation.The bad thing about server-side validation is that it requires trips back and forth to the server.This takes a lot of resources and makes for a slower-paced form for the user.